Prince Rainier III of Monaco and Grace Kelly

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The dashing prince and the cool blonde beauty from America met at the Cannes Film Festival in 1955 and were married in 1956, first in a civil ceremony April 18 and then in a Catholic church wedding the next day. The 600 invited guests included Cary Grant, Gloria Swanson, Ava Gardner, Aristotle Onassis and Conrad Hilton, Life magazine reported. "I'm very happy that Grace has found herself such a good part," said Alfred Hitchcock, who directed her in three movies.

The dashing prince and the cool blonde beauty from America met at the Cannes Film Festival in 1955 and were married in 1956, first in a civil ceremony April 18 and then in a Catholic church wedding the next day. The 600 invited guests included Cary Grant, Gloria Swanson, Ava Gardner, Aristotle Onassis and Conrad Hilton, Life magazine reported. "I'm very happy that Grace has found herself such a good part," said Alfred Hitchcock, who directed her in three movies. (Getty Images)

The dashing prince and the cool blonde beauty from America met at the Cannes Film Festival in 1955 and were married in 1956, first in a civil ceremony April 18 and then in a Catholic church wedding the next day. The 600 invited guests included Cary Grant, Gloria Swanson, Ava Gardner, Aristotle Onassis and Conrad Hilton, Life magazine reported. "I'm very happy that Grace has found herself such a good part," said Alfred Hitchcock, who directed her in three movies.